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lorasvet [3.4K]
3 years ago
8

Which value of x satisfies both -9x + 4y = 8 and -3x − y = 4 given the same value of y?

Mathematics
1 answer:
d1i1m1o1n [39]3 years ago
7 0
Multiply 2nd equaton by 4 and add to first

-9x+4y=8
<u>-12x-4y=16 +</u>
-21x+0y=24

-21x=24
divide both sides by -21
x=-24/21
x=-8/7

C is answer
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Which of the following represents the factorization of the trinomal below
Mice21 [21]
B is the correct answer. If you use the distributive property correctly you will see why.

(4x+3)(2x+1)= 8x^2+4x+6x+3
= 8x^2+10x+3


please vote my answer brainliest. thanks!
5 0
2 years ago
Vanessa and zack are playing a game where a player with the lower score wins at the end of the game Vanessa has a score of -3 5/
Novosadov [1.4K]

Complete question :

Vanessa and Zack are playing a game where the player with the lower score wins. At the end of the game, Vanessa has a score of -3 5/8 and Zack has a score of -3 2/3. Which statement explains who won?

Vanessa won. If you compare the decimal equivalents of their scores, -3.625 < -3.666.

Vanessa won. If you compare the decimal equivalents of their scores, -3.666 < -3.625.

Zack won. If you compare the decimal equivalents of their scores, -3.625 < -3.666.

Zack won. If you compare the decimal equivalents of their scores, -3.666 < -3.625

Answer: Zack won. If you compare the decimal equivalents of their scores, -3.666 < -3.625

Step-by-step explanation:

Given that :

Player with the lowest score wins ;

Vanessa's score = - 3 5/8

Zack's score = - 3 2/3

Converting to decimal:

Vanessa :

-3 5/8 = - 29 /8 = - 3.625

Zack:

-3 2/3 = - 11/3 = - 3.666

Comparing the scores :

From the negaryce side of a number line :

-3.666 comes before - 3.625, hence, - 3.666 is lower or lesser than - 3.625

-3.666 < - 3.625, hence Zack won

3 0
3 years ago
What is the solution of the system of equations? y= -3x+8<br> y= -5x-2
Crazy boy [7]
Y = -3x+8
y = -5x-2
------------
y = 5(-3x+8)
y = 3(-5x-2)
---------------
y = -15x+40
y = -15x-6
--------------
y = -15x+40       
       -      - 
y = -15x-6
--------------
y = 46
<span>
y = -3x+8
</span>46 = -3x+8
-8           -8
---------------
38 = -3x
----    ----
-3      -3
12.666...=x
(<span>12.666.,46) </span>← Answer
5 0
3 years ago
Read 2 more answers
Maria is m inches tall. Blaire is 2 inches taller than Maria. If Blaire is 52 inches tall, which equation could be used to find
Setler79 [48]
The answer would be C. m+2=52
7 0
2 years ago
Read 2 more answers
Charlie's eraser has a mass of 9 grams. How many milligrams is the eraser?
Vadim26 [7]

Answer:

9000 milligrams

Step-by-step explanation:

One gram is the <em>equivalent of 1000 milligrams</em>.

So, <em>9 grams is 9*1000 milligrams</em>, which is 9000 milligrams.

8 0
3 years ago
Read 2 more answers
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